1. A rotating or stationary member‚ usually of circular cross section much smaller in diameter than its length‚ used to transmit motion or power; having mounted on it such power-transmitting elements as gears‚ pulleys‚ belts‚ chains‚ cam‚ flywheels‚ cranks‚ sprockets‚ and rolling-element bearings. a) Shaft b) Gear c) Flywheel d) Cam 2. A V-belt transmission system needs: a) Pulleys b) Sprockets c) Sheaves d) Gears 3. Slip in belt transmission system means: a) Difference between the
Premium Ball bearing Bearing Gear
Features | Terrestrial | Aquatic | Buoyancy | Air provides lift and flotation support for organisms | Water uses an upward force on an object and in it which allows flotation. | Viscosity (resistance to movement) | Air has a low viscosity. This makes it easier for organisms to move through it. | Water has a high viscosity. This makes it more difficult for organisms to move through it | Light | Light can pass freely through air. Plenty of light is available to land organisms. Dense plant growth or
Premium Water Temperature Gas
alcohol found in alcoholic beverages‚ and in common speech the word alcohol refers specifically to ethanol. Other alcohols are usually described with a clarifying adjective‚ as in isopropyl alcohol (propan-2-ol) or wood alcohol (methyl alcohol‚ or methanol). The suffix -ol appears in the IUPAC chemical name of all substances where the hydroxyl group is the functional group with the highest priority; in substances where a higher priority group is present the prefix hydroxy- will appear in the IUPAC
Premium Alcohol
Data .......................................................................................... - 11 EXPERIMENTS: A - Kinetics of the Acid Catalyzed Hydrolysis of Methyl Acetate .......................................... 13 D - Determination of the Viscosity and Related Properties of Gaseous N2 and CO2 ............ 18 M - Determination of the Validity of the Beer-Lambert Law ................................................. 23 N - Kinetics of the Depolymerization of Diacetone Alcohol via Basic Catalysis
Premium Rate equation Chemical kinetics Chemical reaction
energy given off using the formula above. The specific heat capacity is the energy needed (Joules) to heat 1 gram of water by one degrees Celsius. Preliminary Experiment To help me decide the vital elements of the experiment‚ I made a trial run using methanol to check if my chosen quantities and set up would work. Results: Height of can from burner: 5cm Mass of burner at start = 204.47g. Mass of burner finish = 203.6g. Mass of fuel burned = 0.87g Start temp = 19oC Finish temp = 23oC‚ Temp rise = 4oC Following
Premium Heat Energy Mass
1‚ 4 – dimethoxybenzene with tertiary-butyl alcohol in the presence of sulfuric acid as a Lewis acid catalyst‚ and involves the attack of the aryl group at the electrophilic trimethylcarbocation. The resulting product will be recrystallized using methanol and characterized using TLC and melting point analysis. Materials: 400-mL beaker‚ ice for ice bath‚ 25 mL Erlenmeyer flask‚ several volumetric and Pasteur pipets‚ 1.0-mL 10 x 100 mm reaction tube‚ glass stirring rod‚ rubber bulb‚ TLC plate Table
Premium Benzene Solvent Acetic acid
It is a liquid product containing bitumen to a great extent in an aqueous medium. Bitumen is in a very finely divided state and it is suspended in the aqueous medium with the help of some suitable stabilizing agents. Bitumen emulsions have a low viscosity compared to the bitumen from which they are produced and can be workable at ambient temperatures. Class 4. Bitumen emulsions can be divided into four classes: The first two are most widely used : 1) Cationic emulsions. If an electric potential
Premium Petroleum Distillation
Review Bubble column reactors Nigar Kantarcia‚ Fahir Borakb‚ Kutlu O. Ulgena‚* aDepartment of Chemical Engineering‚ Bog˘azic¸i University‚ 34342 Bebek-Istanbul‚ Turkey bDepartment of Chemical Engineering‚ Yeditepe University‚ 34755 Kadikoy-Istanbul‚ Turkey Received 31 August 2004; accepted 26 October 2004 Abstract Bubble columns are intensively used as multiphase contactors and reactors in chemical‚ biochemical and petrochemical industries. They provide several advantages during operation
Premium
polymer-modified (SBS) bitumens. In total‚ an unmodified bitumen‚ five ground tire rubber-modified and three polymer-modified (SBS) bitumens have been studied. Rubber-modified bitumens show improved viscoelastic characteristics and‚ therefore‚ higher viscosity than unmodified binders. Consequently‚ enhanced resistance to permanent deformation or rutting and low-temperature cracking should be expected in ground tire rubber-modified bitumens. In addition‚ rubber-modified bitumen (9 wt.%) shows very similar
Premium Viscosity
CHAPTER ONE 1.0 Introduction At the heart of transforming raw ingredients into food for human consumption is the mixing operation. It’s a main task which other food processing steps also share to establish consistency. Whether a food product requires small-scale mixing by hand or high volume blending of multiple ingredients‚ home cooks and food process engineers alike know the importance of proper mixing. Even with the right amount of ingredients and flavors‚ a great recipe will not transform
Premium Viscosity